added void type, added "jackal" invocation wrapper script

git-svn-id: svn://anubis/jackalc/trunk@4 2d0ce1a6-f80c-425e-916c-c881d0336438

jackal

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec python jackalc.py "$@"

nodes.py

@@ -7,8 +7,8 @@ class Node:
     pass
 
 class BinOpNode(Node):
-    def __init__(self, binop, s1, s2):
+    def __init__(self, op, s1, s2):
-        self.binop = binop
+        self.op = op
         self.s1 = s1
         self.s2 = s2
 

parserdef.py

@@ -16,6 +16,7 @@ reserved = {
         'return':   'RETURN',
 
         # types
+        'void':     'VOID',
         'byte':     'BYTE',
         'short':    'SHORT',
         'int':      'INT',